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Author: search.filters.author.Jadsadapattarakul, DamrongsakSubject: search.filters.subject.Rice husk

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    Item type:Publication,
    Semi-micro preparation and characterization of mesoporous silica microspheres from rice husk sodium silicate using a non-ionic surfactant as a template: Application in normal phase HPLC columns
    (2007-07-01)
    Tungkananurak, Kanita
    ;
    Kerdsiri, Sirinlux
    ;
    Jadsadapattarakul, Damrongsak
    ;
    Burns, Duncan Thorburn
    A simple and low-cost process has been developed for the production of mesoporous silica microspheres using a non-ionic surfactant as a template in an aqueous acidic sodium silicate solution prepared from rice husk. The influences of synthesis parameters such as the sodium silicate concentration, hydrochloric acid concentration, temperature and aging time on the morphology and on particle size range are described. The product's physical and normal phase chromatographic properties are reported. © 2007 Springer-Verlag.
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    Semi-micro preparation and characterization of bonded phase ODS-silica prepared from rice husk silica
    (2006-04-01)
    Burns, Duncan Thorburn
    ;
    Tungkananurak, Kanita
    ;
    Jadsadapattarakul, Damrongsak
    Bonded phase ODS-silica has been prepared using purified silica prepared from rice husk by burning, reflux with sodium hydroxide solution and precipitation as a gel. The gel was spray dried, further purified by washing with concentrated hydrochloric acid then distilled water prior to vacuum drying and silanization and end-capping. The product's physical and chromatographic properties are reported. © Springer-Verlag 2006.